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CD105NP-150MC Equivalent & Substitute Parts
Part Overview
The CD105NP-150MC is a 15 µH unshielded surface mount inductor manufactured by Sumida America Components Inc. This fixed inductor is designed for applications requiring moderate inductance values with a current rating of 2.27 A and a maximum DC resistance of 80 mOhm. The component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Inductance | 15 | µH |
| Inductance Tolerance | ±20 | % |
| Current Rating | 2.27 | A |
| DC Resistance (Max) | 80 | mOhm |
| Shielding | Unshielded | - |
| Operating Temperature Range | -40 to 100 | °C |
| Mounting Type | Surface Mount | - |
| Package Type | Nonstandard | - |
| RoHS Status | ROHS3 Compliant | - |
Substitute Part Grouping Explanation
Substitution of the CD105NP-150MC is permissible when the following electrical and mechanical parameters are maintained within specification:
Critical Matching Parameters:
- Inductance value: 15 µH (within ±20% tolerance band)
- DC Resistance: 80 mOhm maximum
- Current Rating: minimum 2.25 A (substitute must support primary part current requirement)
- Shielding classification: Unshielded
- Mounting type: Surface Mount
- Operating temperature range: minimum -40°C to 100°C coverage
- RoHS compliance: ROHS3 Compliant
- Moisture Sensitivity Level: MSL 1 (Unlimited)
The SDR1006-150ML from Bourns Inc. satisfies all critical matching parameters and is classified as a direct equivalent substitute for the CD105NP-150MC.
Parameter Comparison
| Parameter | CD105NP-150MC (Sumida) | SDR1006-150ML (Bourns) | Match Status |
|---|---|---|---|
| Inductance | 15 µH | 15 µH | Equivalent |
| Inductance Tolerance | ±20% | ±20% | Equivalent |
| Current Rating | 2.27 A | 2.25 A | Compatible |
| DC Resistance (Max) | 80 mOhm | 80 mOhm | Equivalent |
| Shielding | Unshielded | Unshielded | Equivalent |
| Operating Temperature Range | -40°C to 100°C | -40°C to 125°C | Compatible |
| Mounting Type | Surface Mount | Surface Mount | Equivalent |
| Package / Case | Nonstandard | Nonstandard | Equivalent |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Equivalent |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | MSL 1 (Unlimited) | Equivalent |
| Product Status | Active | Active | Equivalent |
Engineering Selection Recommendations
Both the CD105NP-150MC and SDR1006-150ML are Active product status components with full RoHS3 compliance and MSL 1 moisture sensitivity ratings. Selection between these parts is based on availability and supply chain requirements rather than electrical or environmental performance differences.
The CD105NP-150MC (Sumida) features a ferrite core construction with 807 units in current inventory. The SDR1006-150ML (Bourns) is a drum core wirewound inductor with 1776 units in inventory and an extended operating temperature range to 125°C. Both components meet the specified electrical requirements for 15 µH inductance, 80 mOhm maximum DC resistance, and current ratings within the 2.25 A to 2.27 A range.
Physical dimensions differ slightly: CD105NP-150MC measures 10.00mm × 9.00mm, while SDR1006-150ML measures 9.80mm × 9.80mm. Both maintain identical seated height of 5.80mm maximum. PCB layout verification is required when substituting between these parts due to dimensional variations.
Frequently Asked Questions (FAQ)
Q: Can SDR1006-150ML replace CD105NP-150MC in all applications?
A: Yes, the SDR1006-150ML meets all critical electrical and mechanical parameters specified for the CD105NP-150MC. Both components provide 15 µH inductance with ±20% tolerance, 80 mOhm maximum DC resistance, and support current ratings of 2.25 A minimum. Physical dimensions require PCB layout verification due to minor footprint differences.
Q: What are the key differences between these two inductors?
A: The primary differences are core construction type (ferrite vs. drum core wirewound), operating temperature range (100°C vs. 125°C maximum), and physical footprint dimensions (10.00mm × 9.00mm vs. 9.80mm × 9.80mm). Electrical performance specifications remain equivalent.
Q: Are both parts RoHS compliant?
A: Yes, both CD105NP-150MC and SDR1006-150ML are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings.
Q: What is the current rating compatibility between these parts?
A: The CD105NP-150MC is rated for 2.27 A and the SDR1006-150ML for 2.25 A. Both ratings satisfy applications requiring up to 2.25 A continuous current. The 0.02 A difference is within acceptable engineering tolerance for equivalent substitution.
Q: Do these inductors have identical DC resistance?
A: Yes, both components specify 80 mOhm maximum DC resistance, ensuring equivalent power dissipation characteristics in circuit applications.
Q: What packaging format is used for both parts?
A: Both the CD105NP-150MC and SDR1006-150ML are supplied in Tape & Reel (TR) packaging for automated assembly processes.
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